| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 8329 |
71%
|
| 2 | Both | 597 |
5.1%
|
| 3 | Father only | 2250 |
19.2%
|
| 4 | Mother only | 218 |
1.9%
|
| 5 | I don't know | 337 |
2.9%
|
| Sysmiss | 37 |